August 30, 1862

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Features

Improved Iron Truss Bridge

Notes on Naval and Military Affairs

Census Statistics of 1860

The Ram Arkansas

John Scott Russell on Iron-Clad Ships

Schau's Boiler Scale Preventer

Explosions of Boilers-Renewed Discussions of Theories

The Post Office--Its Rise and Progress

Our Iron-Clad Fleet

Filling of the Great Reservoir

Indian Corn for England

Manufacture of Saltpeter

Valuable Receipts

Recent American Inventions - August 30, 1862

Recent Foreign Inventions - August 30, 1862

Patent Claims

To Our Readers

Departments

Letters

Correspondence - August 30, 1862

Departments

On Force-Laws of Motion

Notes and Queries - August 30, 1862

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Digital Issue ?Read or download this issue’s articles online. *A printed copy of this issue is not included. $7.99

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